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Tuttnauer EA - Calibration and Testing Procedure

Tuttnauer EA
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II.
CALIBRATION
AND
TESTING
PROCEDURE
The
system
is
provided
with
a
number
of
test
points
for
check
-
up
and
adjustment
purposes.
For
this
purpose,
the
connector
JP14
on
the
AJUNC3
board
has
to
be
connected
with
the
Test
board.
The
above
board
1s
supplied
only
to
service
personnel
which
maintain
and
service
the
autoclaves.
A
digital
multi-meter
with
a
1
mV
resolution
is
needed
for
check
-
up
and
repair.
CHECK-
UP
OF
VOLTAGES
GND
check
up
-
check
the
voltage
betwcen
test
point
TP1
and
the
body
of
the
autoclave.
If
the
measured
voltage
is
higher
than
30mV,
we
face
a
problem
of
unsuitable
grounding
at
one
of
the
electronic
boards
or
some
other
electronic
component
(like
power
supply).
Checking
of
12V
-
connect
the
negative
probe
of
the
multi-meter
at
TPI
and
the
positive
probe
at
TP
15,
the
measured
voltage
should
be
12V.
If
voltage
is
not
correct,
the
fuses
on
the
primary
and
secondary
circuits
have
to
be
checked
to
see
if
they
are
not
blown.
Take
the
connector
off
the
board,
and
check
for
a
short-circuit
on
the
board.
Checking
of
12V
-
connect
the
negative
probe
of
the
multi-meter
at
TP1
and
the
positive
probe
at
TP17,
the
measured
voltage
should
be
5V.
If
voltage
is
incorrect
the
fitses
on
primary
and
secondary
circuits
have
to
be
checked.

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